Home / 135,139.32-186,385.74-126,085.08

Finding the Fourth Proportional to 135,139.32, 186,385.74 and 126,085.08

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Solution

The fourth proportional to 135,139.32, 186,385.74 and 126,085.08 is: 173,898.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,139.32 : 186,385.74 = 126,085.08 : x
  2. Step 2: Convert to fraction form
    135,139.32/186,385.74 = 126,085.08/x
  3. Step 3: Cross multiply
    135,139.32x = 186,385.74 × 126,085.08
  4. Step 4: Simplify right side
    135,139.32x = 23,500,460,938.76
  5. Step 5: Solve for x
    x = 23,500,460,938.76/135,139.32
  6. Step 6: Final answer
    x = 173,898.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.